Significant fluctuation in the global sulfate reservoir and oceanic redox state during the Late Devonian event. [PDF]
PNAS Nexus, 2022 Cai C, Xu C, Fakhraee M, Chen D, Peng Y.
europepmc +1 more source
Paléoécologie des Ostracodes au niveau de la limite des étages Frasnien et Famennnien, à Senzeilles [PDF]
, 1989 Study of the ostracods of the Frasnian-Famennian boundary in Senzeilles (Dinant Basin, Belgium) confirms the existence of shallow, poorly oxygenated waters in Palaeotethys during the late Frasnian. These environments are responsible for the disappearance
Casier, J.-G.
core
Crude oil exploration in Africa: socio-economic implications, environmental impacts, and mitigation strategies. [PDF]
Environ Syst Decis, 2022 Adeola AO +6 more
europepmc +1 more source
The last Frasnian Atrypida (Brachiopoda) in southern Belgium [PDF]
, 1998 The last representatives of the order Atrypida on the southern flank of the Dinant Synclinorium (Vaulx-Nismes area) in Belgium belong to Costatrypa, Spinatrypa, Spinatrypina (?Spinatrypina), Spinatrypina (Exatrypa), Iowatrypa, ?Waiotrypa, Desquamatia ...
Godefroid, J., Helsen, S.
core
A large Middle Devonian eubrachythoracid 'placoderm' (Arthrodira) jaw from northern Gondwana. [PDF]
Swiss J Palaeontol, 2021 Jobbins M +3 more
europepmc +1 more source
Early Frasnian bioherms in the Holy Cross Mts
, 1981 The Frasnian bioherms exposed along the southern limb of the Gałęzice syneline in the Holy Cross Mts, Central Poland, occur in the highest part of the stromatoporoid-coral sequence, and their facies equivalent are chiefly the·coral biostromes·of the Upper Sitkówka Beds.
Szulczewski, Michał, Racki, Grzegorz
openaire +2 more sources
A new elpistostegalian from the Late Devonian of the Canadian Arctic. [PDF]
Nature, 2022 Stewart TA +4 more
europepmc +1 more source
Devonian and Carboniferous palynostratigraphy of the South Portuguese Zone, Portugal : an overview [PDF]
, 2007 A Zona Sul Portuguesa (ZSP) representa o ramo sul do Orógeno Varisco Ibérico e compreende os seguintes domínios, de norte para sul: o Antiforma do Pulo do Lobo, a Faixa Piritosa Ibérica, o Grupo do Flysch do Baixo Alentejo e o Sector Sudoeste ...
Fernandes, Paulo +3 more
core +1 more source
Publicación Electrónica de la Asociación Paleontológica Argentina, 2010 This paper presents the first palynological record of the Punta Negra Formation, Devonian from the San Juan Precordillera, Argentina. Twelve acritarchs species, 11 spores species, 5 prasinophyte species, 2 chitinozoans genera and one incertae sedis were ...
Claudia V. Rubinstein
doaj
Strangelove ocean at era boundaries, terrestrial or extraterrestrial cause [PDF]
Negative perturbations in carbon-isotope value of calcite in pelagic sediments were found at times of biotic crisis, marking horizons which are, or were proposed as era boundaries: Cretaceous/Tertiary (K/T), Permian/Triassic (P/T), and Precambrian ...
Hsue, Kenneth J.
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